/****************************************************************************
 *
 * Copyright 2016 Samsung Electronics All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific
 * language governing permissions and limitations under the License.
 *
 ****************************************************************************/
/****************************************************************************
 * include/netinet/in.h
 *
 *   Copyright (C) 2007, 2009-2010 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <gnutt@nuttx.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/

#ifndef __INCLUDE_NETINET_IN_H
#define __INCLUDE_NETINET_IN_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <tinyara/config.h>

#include <sys/types.h>
#include <stdint.h>

#ifdef CONFIG_NET_LWIP
#include "lwip/inet.h"
#include "lwip/sockets.h"
#include "lwip/api.h"
#endif

#ifndef CONFIG_NET_LWIP
/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

/* Values for protocol argument to socket() */

#define IPPROTO_IP            0	/* Dummy protocol for TCP */
#define IPPROTO_HOPOPTS       0	/* IPv6 Hop-by-Hop options.  */
#define IPPROTO_ICMP          1	/* Internet Control Message Protocol */
#define IPPROTO_IGMP          2	/* Internet Group Management Protocol */
#define IPPROTO_IPIP          4	/* IPIP tunnels (older KA9Q tunnels use 94) */
#define IPPROTO_TCP           6	/* Transmission Control Protocol */
#define IPPROTO_EGP           8	/* Exterior Gateway Protocol */
#define IPPROTO_PUP           12	/* PUP protocol */
#define IPPROTO_UDP           17	/* User Datagram Protocol */
#define IPPROTO_IDP           22	/* XNS IDP protocol */
#define IPPROTO_TP            29	/* SO Transport Protocol Class 4.  */
#define IPPROTO_DCCP          33	/* Datagram Congestion Control Protocol */
#define IPPROTO_IPV6          41	/* IPv6-in-IPv4 tunnelling */
#define IPPROTO_ROUTING       43	/* IPv6 routing header. */
#define IPPROTO_FRAGMENT      44	/* IPv6 fragmentation header.  */
#define IPPROTO_RSVP          46	/* Reservation Protocol. */
#define IPPROTO_GRE           47	/* General Routing Encapsulation. */
#define IPPROTO_ESP           50	/* Encapsulation Security Payload protocol */
#define IPPROTO_AH            51	/* Authentication Header protocol */
#define IPPROTO_ICMPV6        58	/* ICMPv6 */
#define IPPROTO_NONE          59	/* IPv6 no next header. */
#define IPPROTO_DSTOPTS       60	/* IPv6 destination options. */
#define IPPROTO_MTP           92	/* Multicast Transport Protocol.  */
#define IPPROTO_ENCAP         98	/* Encapsulation Header. */
#define IPPROTO_BEETPH        94	/* IP option pseudo header for BEET */
#define IPPROTO_PIM           103	/* Protocol Independent Multicast */
#define IPPROTO_COMP          108	/* Compression Header protocol */
#define IPPROTO_SCTP          132	/* Stream Control Transport Protocol */
#define IPPROTO_UDPLITE       136	/* UDP-Lite (RFC 3828) */
#define IPPROTO_RAW           255	/* Raw IP packets */

/* Values used with SIOCSIFMCFILTER and SIOCGIFMCFILTER ioctl's */

#define MCAST_EXCLUDE         0
#define MCAST_INCLUDE         1

/* Test if an IPv4 address is a multicast address */

#define IN_CLASSD(i)          (((uint32_t)(i) & 0xf0000000) == 0xe0000000)
#define IN_MULTICAST(i)       IN_CLASSD(i)

/* Special values of in_addr_t */

#define INADDR_ANY            ((in_addr_t)0x00000000)	/* Address to accept any incoming messages */
#define INADDR_BROADCAST      ((in_addr_t)0xffffffff)	/* Address to send to all hosts */
#define INADDR_NONE           ((in_addr_t)0xffffffff)	/* Address indicating an error return */
#define INADDR_LOOPBACK       ((in_addr_t)0x7f000001)	/* Inet 127.0.0.1.  */

/* Special initializer for in6_addr_t */

#define IN6ADDR_ANY_INIT      { { {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} } }
#define IN6ADDR_LOOPBACK_INIT { { {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1} } }

/* struct in6_addr union selectors */

#define s6_addr               in6_u.u6_addr8
#define s6_addr16             in6_u.u6_addr16
#define s6_addr32             in6_u.u6_addr32

/****************************************************************************
 * Public Type Definitions
 ****************************************************************************/

/****************************************************************************
 * Public Type Definitions
 ****************************************************************************/

typedef uint16_t in_port_t;

/* IPv4 Internet address */

typedef uint32_t in_addr_t;

struct in_addr {
	in_addr_t s_addr;			/* Address (network byte order) */
};

struct sockaddr_in {
	sa_family_t sin_family;		/* Address family: AF_INET */
	uint16_t sin_port;			/* Port in network byte order */
	struct in_addr sin_addr;	/* Internet address */
	char sin_zero[8];
};

/* IPv6 Internet address */
struct in6_addr {
	union {
		uint8_t u6_addr8[16];
		uint16_t u6_addr16[8];
		uint32_t u6_addr32[4];
	} in6_u;
};

struct sockaddr_in6 {
	sa_family_t sin6_family;	/* Address family: AF_INET */
	uint16_t sin6_port;			/* Port in network byte order */
	struct in6_addr sin6_addr;	/* IPv6 internet address */
	uint32_t sin6_scope_id;		/* Scope ID */
};

/* IGMP */
/*
 * Options and types for UDP multicast traffic handling
 */
#define IP_ADD_MEMBERSHIP  3
#define IP_DROP_MEMBERSHIP 4
#define IP_MULTICAST_TTL   5
#define IP_MULTICAST_IF    6
#define IP_MULTICAST_LOOP  7

typedef struct ip_mreq {
	struct in_addr imr_multiaddr;	/* IP multicast address of group */
	struct in_addr imr_interface;	/* local IP address of interface */
} ip_mreq;

struct ip_mreqn {
	struct in_addr imr_multiaddr;	/* IP multicast address of group */
	struct in_addr imr_address;	/* local IP address of interface */
	int imr_ifindex;			/* Interface index */
};

/****************************************************************************
 * Public Data
 ****************************************************************************/

#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif

/* Global IPv6 in6addr_any */

EXTERN const struct in6_addr in6addr_any;

/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/

#undef EXTERN
#if defined(__cplusplus)
}
#endif

#endif /* ifndef CONFIG_NET_LWIP */

#endif /* __INCLUDE_NETINET_IN_H */
